Home / 157,746.38-217,694.79-89,773.12

Finding the Fourth Proportional to 157,746.38, 217,694.79 and 89,773.12

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Solution

The fourth proportional to 157,746.38, 217,694.79 and 89,773.12 is: 123,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,746.38 : 217,694.79 = 89,773.12 : x
  2. Step 2: Convert to fraction form
    157,746.38/217,694.79 = 89,773.12/x
  3. Step 3: Cross multiply
    157,746.38x = 217,694.79 × 89,773.12
  4. Step 4: Simplify right side
    157,746.38x = 19,543,140,506.04
  5. Step 5: Solve for x
    x = 19,543,140,506.04/157,746.38
  6. Step 6: Final answer
    x = 123,889.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.